Bayside Gardens, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.8 °C (low) to 14.5 °C (high). Annual precipitation averages 2090.4 Millimeters. Bayside Gardens is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 10 °C | 291.59 mm |
| February | 3.3 °C | 10.9 °C | 200.91 mm |
| March | 3.8 °C | 12 °C | 246.89 mm |
| April | 5.2 °C | 13.3 °C | 175.51 mm |
| May | 7.4 °C | 15.3 °C | 105.92 mm |
| June | 9.7 °C | 17.1 °C | 89.41 mm |
| July | 11.3 °C | 19.1 °C | 26.16 mm |
| August | 11.4 °C | 19.6 °C | 52.32 mm |
| September | 9.8 °C | 19.2 °C | 78.99 mm |
| October | 7.4 °C | 16.1 °C | 179.58 mm |
| November | 5.1 °C | 12.2 °C | 330.2 mm |
| December | 3.3 °C | 9.5 °C | 312.93 mm |
| Annual | 6.8 °C | 14.5 °C | 2090.41 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |